lkml.org 
[lkml]   [2018]   [Sep]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH AUTOSEL 4.18 79/92] drm/amd/pp: Send khz clock values to DC for smu7/8
Date
From: Harry Wentland <harry.wentland@amd.com>

[ Upstream commit c3cb424a086921f6bb0449b10d998352a756d6d5 ]

The previous change wasn't covering smu 7 and 8 and therefore DC was
seeing wrong clock values.

This fixes an issue where the pipes seem to hang with a 4k DP and 1080p
HDMI display.

Fixes: c3df50abc84b ("drm/amd/pp: Convert clock unit to KHz as defined")
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Cc:rex.zhu@amd.com
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 8 ++++----
drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c | 6 +++---
2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index f8e866ceda02..77779adeef28 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -4555,12 +4555,12 @@ static int smu7_get_sclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks)
return -EINVAL;
dep_sclk_table = table_info->vdd_dep_on_sclk;
for (i = 0; i < dep_sclk_table->count; i++)
- clocks->clock[i] = dep_sclk_table->entries[i].clk;
+ clocks->clock[i] = dep_sclk_table->entries[i].clk * 10;
clocks->count = dep_sclk_table->count;
} else if (hwmgr->pp_table_version == PP_TABLE_V0) {
sclk_table = hwmgr->dyn_state.vddc_dependency_on_sclk;
for (i = 0; i < sclk_table->count; i++)
- clocks->clock[i] = sclk_table->entries[i].clk;
+ clocks->clock[i] = sclk_table->entries[i].clk * 10;
clocks->count = sclk_table->count;
}

@@ -4592,7 +4592,7 @@ static int smu7_get_mclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks)
return -EINVAL;
dep_mclk_table = table_info->vdd_dep_on_mclk;
for (i = 0; i < dep_mclk_table->count; i++) {
- clocks->clock[i] = dep_mclk_table->entries[i].clk;
+ clocks->clock[i] = dep_mclk_table->entries[i].clk * 10;
clocks->latency[i] = smu7_get_mem_latency(hwmgr,
dep_mclk_table->entries[i].clk);
}
@@ -4600,7 +4600,7 @@ static int smu7_get_mclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks)
} else if (hwmgr->pp_table_version == PP_TABLE_V0) {
mclk_table = hwmgr->dyn_state.vddc_dependency_on_mclk;
for (i = 0; i < mclk_table->count; i++)
- clocks->clock[i] = mclk_table->entries[i].clk;
+ clocks->clock[i] = mclk_table->entries[i].clk * 10;
clocks->count = mclk_table->count;
}
return 0;
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
index 50690c72b2ea..288802f209dd 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
@@ -1604,17 +1604,17 @@ static int smu8_get_clock_by_type(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type
switch (type) {
case amd_pp_disp_clock:
for (i = 0; i < clocks->count; i++)
- clocks->clock[i] = data->sys_info.display_clock[i];
+ clocks->clock[i] = data->sys_info.display_clock[i] * 10;
break;
case amd_pp_sys_clock:
table = hwmgr->dyn_state.vddc_dependency_on_sclk;
for (i = 0; i < clocks->count; i++)
- clocks->clock[i] = table->entries[i].clk;
+ clocks->clock[i] = table->entries[i].clk * 10;
break;
case amd_pp_mem_clock:
clocks->count = SMU8_NUM_NBPMEMORYCLOCK;
for (i = 0; i < clocks->count; i++)
- clocks->clock[i] = data->sys_info.nbp_memory_clock[clocks->count - 1 - i];
+ clocks->clock[i] = data->sys_info.nbp_memory_clock[clocks->count - 1 - i] * 10;
break;
default:
return -1;
--
2.17.1
\
 
 \ /
  Last update: 2018-09-15 03:46    [W:0.374 / U:24.988 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site